Dr. Steven Novella

speaker

11,445 appearances 18 recordings 2 series first heard Mar 2026 last heard 3d ago

Dr. Steven Novella’s voice in public audio — every appearance, attributed to the second.

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recordings per month · last 12 months

Recordings per month over the last 12 months — 18 in all, peaking in Aug 2026 with 5.

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The Skeptics' Guide to the Universe · The Skeptics Guide #1063 - Nov 22 2025 podcast

Let's go back to number two. voice-verified

MIT researchers have developed a thin polymer film that is 10,000 times less permeable to gas than all other polymers. voice-verified

You guys also think this one is science and this one. voice-verified

is also science. voice-verified

Thank you, Cara. voice-verified

So polymers generally are made from fibers which are woven together. voice-verified

And those are very permeable because there's gaps in between the weaving. voice-verified

So this polymer, however, was made as a two-dimensional material. voice-verified

So it's a single film. voice-verified

And therefore, there's a solid crystalline structure with no gaps. voice-verified

And so that's why it doesn't let the gas escape. voice-verified

through. voice-verified

No gases? voice-verified

No gases. voice-verified

So they tested it with helium, nitrogen, oxygen, argon, helium, methane, and sulfur hexafluoride. voice-verified

Do you guys remember huffing sulfur hexafluoride? voice-verified

The opposite of helium. voice-verified

Makes your voice really loud. voice-verified

It was so cool. voice-verified

All right. voice-verified

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